Abstract
Persistent organic pollutants seriously affect the growth and development of crops. 1,2,4-Trichlorobenzene (TCB), as one of the most widely used chlorobenzenes, can affect the yield of japonica rice. However, existing research on the effect of TCB on japonica rice yield is not in-depth, and a basic understanding of commonality has not yet been formed. In this study, 28 conventional japonica rice varieties were selected to investigate the effects of TCB stress on their yield, yield composition, and TCB accumulation. This study also evaluated the efficiency of conventional tolerance indices in evaluating the TCB stress tolerance of japonica rice. The results showed that TCB caused sustained inhibition of the growth of japonica rice, which was considerably manifested in plant height, root length, soil plant analysis development (SPAD), and dry weight at different growth stages. Under TCB stress, TCB accumulation in various tissues of japonica rice increased sharply. TCB stress reduces the yield of japonica rice by reducing the number of panicles per hill, the number of spikelets per panicle, the grain filling percentage, and the grain weight. Overall, the results of this study indicate that TCB stress can cause a decrease in the yield of japonica rice, and the decrease in panicle number is the main reason. The conventional tolerance index can effectively evaluate the tolerance of japonica rice to TCB. The results of this study are substantial for the breeding and cultivation of japonica rice.
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Claims 8
Claim · model-written summary
TCB caused sustained inhibition of plant height, root length and SPAD in japonica rice.
- Taxon
- japonica rice
_by_Augustus_Binu.jpg?width=60)
Oryza sativa Japonica Groupt0 - Material
- conventional japonica rice varietiese1
- Treatment
- TCBe2
- Outcome
- plant height, root length, soil plant analysis development (SPAD)e2
- Direction
- inhibitione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_by_Augustus_Binu.jpg?width=500)
Verbatim
t0“japonica rice”
e1“28 conventional japonica rice varieties were selected to investigate the effects of TCB stress”
e2“TCB caused sustained inhibition of the growth of japonica rice, which was considerably manifested in plant height, root length, soil plant analysis development (SPAD), and dry weight at different growth stages”
Claim · model-written summary
TCB caused sustained inhibition of dry weight in japonica rice at different growth stages.
- Taxon
- japonica riceOryza sativa Japonica Groupt0
- Material
- conventional japonica rice varietiese1
- Treatment
- TCBe2
- Outcome
- dry weighte2
- Direction
- inhibitione2
- Qualifier
- at different growth stagese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“japonica rice”
e1“28 conventional japonica rice varieties were selected to investigate the effects of TCB stress”
e2“TCB caused sustained inhibition of the growth of japonica rice, which was considerably manifested in plant height, root length, soil plant analysis development (SPAD), and dry weight at different growth stages”
Claim · model-written summary
Under TCB stress, TCB accumulation in japonica rice tissues increased sharply.
- Taxon
- japonica riceOryza sativa Japonica Groupt0
- Material
- conventional japonica rice varietiese1
- Treatment
- TCB stresse3
- Outcome
- TCB accumulation in various tissuese3
- Direction
- increased sharplye3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“japonica rice”
e1“28 conventional japonica rice varieties were selected to investigate the effects of TCB stress”
e3“Under TCB stress, TCB accumulation in various tissues of japonica rice increased sharply”
Claim · model-written summary
TCB stress reduced the yield of japonica rice.
- Taxon
- japonica riceOryza sativa Japonica Groupt0
- Treatment
- TCB stresse4
- Outcome
- yielde4
- Direction
- reducese4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“japonica rice”
e4“TCB stress reduces the yield of japonica rice by reducing the number of panicles per hill, the number of spikelets per panicle, the grain filling percentage, and the grain weight”
Claim · model-written summary
TCB stress reduced panicles per hill, spikelets per panicle and grain filling percentage in japonica rice.
- Taxon
- japonica riceOryza sativa Japonica Groupt0
- Treatment
- TCB stresse4
- Outcome
- number of panicles per hill, the number of spikelets per panicle, the grain filling percentagee4
- Direction
- reducinge4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“japonica rice”
e4“TCB stress reduces the yield of japonica rice by reducing the number of panicles per hill, the number of spikelets per panicle, the grain filling percentage, and the grain weight”
Claim · model-written summary
TCB stress reduced grain weight in japonica rice.
- Taxon
- japonica riceOryza sativa Japonica Groupt0
- Treatment
- TCB stresse4
- Outcome
- grain weighte4
- Direction
- reducinge4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“japonica rice”
e4“TCB stress reduces the yield of japonica rice by reducing the number of panicles per hill, the number of spikelets per panicle, the grain filling percentage, and the grain weight”
Claim · model-written summary
The decrease in panicle number is the main reason for the yield reduction of japonica rice under TCB stress.
- Taxon
- japonica riceOryza sativa Japonica Groupt1
- Outcome
- yield reductiont1
- Qualifier
- The decrease in panicle number is the main reasont1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“The decrease in panicle number is the main reason for the yield reduction of japonica rice caused by 1,2,4-trichlorobenzene stress”
Claim · model-written summary
The conventional tolerance index can effectively evaluate tolerance of japonica rice to TCB stress.
Verbatim
e6“The conventional tolerance index can effectively evaluate the tolerance of japonica rice to TCB”